It's about one-and-seven-tenths times the number of Living Kings and Queens.

In other words, the count of Living Kings and Queens is 0.59 times 25.

(2015 figures) (distinct Monarchs)As of 2015, the world has fifteen Kings and Queens reigning over 45 countries. Of all these, Queen Elizabeth the II is the only reigning Queen; she has monarchical authority over the sixteen of the Commonwealth nations.

It's about three times the number of Symohonies Composed by Beethoven.

In other words, 25 is 2.77777777778 times the count of Symohonies Composed by Beethoven, and the count of Symohonies Composed by Beethoven is 0.36 times that amount.

(a.k.a. Ludwig van Beethoven)
Over the course of his life, Beethoven composed nine symphonies over the course of a twenty-four year period. After his death in early 1827, an estimated 20,000 Austrian citizens attended his public funeral.